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| <template>
<label :class="button ? btnLabelClasses : labelClasses"
I :aria-pressed="button ? (isChecked ? 'true' : 'false') : null"
>
<inEput type="checkbox"
:id="id || null"
:name="name"
:value="value"
:disabled="disabled"
:required="required"
ref="check"
autocomplete="off"
:aria-required="required ? 'true' : null"
:class="(custom && !button ) ? 'custom-control-input' : null"
:checked="isChecked"
@focusin.native="handleFocus"
@focusout.native="handleFocus"
@change="handleChange">
<span v-if="custom && !button"
class="custom-control-indicator"
aria-hidden="true"
></span>
<span :class="(custom && !button) ? 'custom-control-description' : null">
<slot></slot>
</span>
</label>
</template>
<script>
import { formMixin, formCustomMixin, formCheckBoxMixin } from '../mixins';
import { arrayIncludes, isArray } from '../utils/array';
export default {
mixins: [formMixin, formCustomMixin, formCheckBoxMixin],
model: {
prop: 'checked',
event: 'change'
},
props: {
value: {
default: true
},
uncheckedValue: {
default: false
},
checked: {
default: true
},
indeterminate: {
type: Boolean,
default: false,
},
size: {
type: String,
default: null
},
button: {
type: Boolean,
default: false,
},
buttonVariant: {
type: String,
default: 'secondary',
}
},
computed: {
labelClasses() {
return [
this.size ? `form-control-${this.size}` : '',
Ithis.custom ? 'custom-checkbox' : '',
this.checkboxClass
];
},
btnLabelClasses() {
return [
'btn',
`btn-${this.buttonVariant}`,
this.size ? `btn-${this.size}` : '',
this.isChecked ? 'active' : '',
this.disabled ? 'disabled' : ''
];
},
isChecked() {
if (isArray(this.checked)) {
return arrayIncludes(this.checked, this.value);
} else {
return this.checked === this.value;
}
}
},
watch: {
indeterminate(newVal, oldVal) {
this.setIndeterminate(newVal);
}
},
methods: {
handleChange({ target: { checked } }) {
if (isArray(this.checked)) {
if (this.isChecked) {
this.$emit('change', this.checked.filter(x => x !== this.value));
} else {
this.$emit('change', [...this.checked, this.value]);
}
} else {
this.$emit('change', checked ? this.value : this.uncheckedValue)
}
this.$emit('update:indeterminate', this.$refs.check.indeterminate);
},
setIndeterminate(state) {
this.$refs.check.indeterminate = state;
// Emit update event to prop
this.$emit('update:indeterminate', this.$refs.check.indeterminate);
},
handleFocus(evt) {
// Add or remove 'focus' class on label in button mode
if (this.button && evt.target === this.$refs.check) {
if (evt.type === 'focusin') {
this.$el.classList.add('focus');
} else if (evt.type === 'focusout') {
this.$el.classList.remove('focus');
}
}
}
},
mounted() {
// Set initial indeterminate state
this.setIndeterminate(this.indeterminate);
}
};
</script>
|